Plant shelf stand



FIG. 1 is a front perspective view of a plant shelf stand according to my design;

FIG. 2 is a front view of my design;

FIG. 3 is a side view of my design;

FIG. 4 is a top view of my design; and,

FIG. 5 is a bottom view of my design. 

The ornamental design for a plant shelf stand, as shown and described. 